Primeval Titan [Magic 2011] Oldschool Set: Beta Edition Type: Creature

Set: Beta Edition Type: Creature — Human Druid Rarity: Uncommon Cost: {2}{G} {T}: Untap target land

but it is predictable

Set: Unlimited Edition Type: Instant Rarity: Uncommon Cost: {B} As an additional cost to cast this spell

Set: Unlimited Edition Type: Sorcery Rarity: Rare Cost: {X}{B} Target player discards X cards at random

Primeval Titan [Magic 2011] Oldschool Set: Beta Edition Type: CreatureSet: Magic 2011 Type: Creature Giant Rarity: Mythic Cost: {4}{G}{G} Trample Whenever Primeval Titan enters the battlefield or attacks, you may search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. When nature calls, *run*.